Diagnostics of Power Transformers with Dielectric Response Measurements
Publish place: 20th International Power System Conference
Publish Year: 1384
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PSC20_252
تاریخ نمایه سازی: 8 آذر 1385
Abstract:
In recent years it has been an attention to dielectric response parameters for diagnosis of power transformers, high voltage cables etc. Determination of water content of pressboard, and aging state of solid insulation materials are claimed and some commercial measuring systems for these measurements are available. In this paper some measurement on oil-pressboard samples in laboratory condition at different states of samples are presented. The aim of the investigation is the determination of the effect of some parameters such as aging, water contents, geometry, etc on the dielectric response. The results show that separation of oil quality and pressboard state is possible and that ging has a similar effect as moisture.
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Authors
Amir Abbas Shayegani
University of Tehran, Department of Electrical Engineering, Iran
Hossein Mohseni
University of Tehran, Department of Electrical Engineering, Iran
Hossein Borsi
University of Hannover, Institute of Electric Power System (Schering-institute), Germany
Ernst Gockenbach
University of Hannover, Institute of Electric Power System (Schering-institute), Germany
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